And Olivier Giroud's goal owed as much to a hopeful punt into the box as it did to his sublime first touch and finish.

But Arsenal keeper Szczesny admits he doesn't care how the goals come - as long as they bring three points in the race with Everton for a top four finish and the Champions League place that goes with it.

He said: "I will take four or five more games like that until the end of the season. As long as we get three points, it does not have to be beautiful.

"Hopefully, the experience of fighting and having good run-ins over the last couple of seasons can help us get through again."

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And Giroud admits he needs to raise his game to keep Arsenal in Europe's elite competition.

The French marksman has already smashed 20 goals this season but the superb strike with which he put the Gunners into the lead against West Ham this week was his first in four games and only his second in eight.

Arsene Wenger admitted his striker was upset at half-time after missing a golden chance in the first half.

He said: "I am OK with my stats but I know the team will need me again for the last [four] Premier League games. So I need to score again and again."

The
41-year-old Wiltshire official will be joined by assistant referees Jake Collin and Mick McDonough with Kevin Friend as fourth official and Simon Bennett the reserve assistant referee.

Probert, previously fourth official
at the 2011 final between Manchester City and Stoke, said: "To be given the opportunity to walk out as the referee for an FA Cup final is the highest accolade in English football. It's a massive honour and I am absolutely delighted.

"It still hasn't really sunk in to be honest. When I got the phone call, I have to say I did shed a tear and look to the sky. The first person I thought about was my dad, who I lost six years ago.

"He
was always there to support me throughout my career and it's payback for all his hard work, taking me here, there and everywhere, encouraging
me to never give up. When I walk out on 17 May, I know he'll be chuffed
to bits."